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Alopecia areata is a type of hair loss that occurs when the immune
system mistakenly attacks hair follicle roots, where hair growth begins. It is
most common in people younger than 20, but children and adults of any age may
Medical treatments for alopecia areata may include medications that
are either put on the scalp or injected. Because hair often regrows, treatment
may not be necessary.
Current as of:
February 20, 2015
Adam Husney, MD - Family Medicine & E. Gregory Thompson, MD - Internal Medicine
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